Knowledgebase: Hosting Glossary
DSL
Posted by Head Nerd in Charge on 30 October 2005 02:25 PM
(Digital Subscriber Line) A method for moving data over regular phone lines. A DSL circuit is much faster than a regular phone connection, and the wires coming into the subscriber’s premises are the same (copper) wires used for regular phone service. A DSL circuit must be configured to connect two specific locations, similar to a leased line. A commonly discussed configuration of DSL allows downloads at speeds of up to 1.544 megabits (not mega bytes ) per second, and uploads at speeds of 128 kilobits per second. This arrangement is called ADSL: “Asymmetric” Digital Subscriber Line. Another common configuration is symmetrical: 384 Kilobits per second in both directions. In theory ADSL allows download speeds of up to 9 megabits per second and upload speeds of up to 640 kilobits per second. DSL is now a popular alternative to Leased Lines and ISDN , being faster than ISDN and less costly than traditional Leased Lines.
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